OBD Guide

P24D1

Particulate Matter Sensor Regeneration Incomplete

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$56–167 (est.)

Symptoms

  • Check Engine Light Is On
  • Reduced engine power
  • Increased fuel consumption
  • Unpleasant smell from the exhaust system
  • Increased emissions

Causes

  • Interrupted regeneration cycle
  • Particulate filter sensor malfunction
  • Problems with the sensor electrical circuit
  • ECU software errors
  • Mechanical damage to the sensor

How to Fix

  1. Check the condition of the diesel particulate filter sensor
  2. Check the electrical circuit of the sensor
  3. Perform forced regeneration of the particulate filter
  4. Update ECU software
  5. Replace sensor if necessary

Related codes

Error P24D1 by Vehicle Brand